---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-34439 5.15.0-164-generic #174-Ubuntu SMP Fri Nov 14 20:25:16 UTC 2025 x86_64 x86_64 x86_64 GNU/Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Address sizes: 40 bits physical, 48 bits virtual Byte Order: Little Endian CPU(s): 4 On-line CPU(s) list: 0-3 Vendor ID: AuthenticAMD Model name: AMD EPYC-Rome Processor CPU family: 23 Model: 49 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 4 Stepping: 0 BogoMIPS: 5599.99 Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm rep_good nopl cpuid extd_apicid tsc_known_freq pni pclmulqdq ssse3 fma cx16 sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand hypervisor lahf_lm cmp_legacy svm cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw topoext perfctr_core ssbd ibrs ibpb stibp vmmcall fsgsbase tsc_adjust bmi1 avx2 smep bmi2 rdseed adx smap clflushopt clwb sha_ni xsaveopt xsavec xgetbv1 clzero xsaveerptr wbnoinvd arat npt nrip_save umip rdpid arch_capabilities Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 128 KiB (4 instances) L1i cache: 128 KiB (4 instances) L2 cache: 2 MiB (4 instances) L3 cache: 64 MiB (4 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-3 Vulnerability Gather data sampling: Not affected Vulnerability Indirect target selection: Not affected Vulnerability Itlb multihit: Not affected Vulnerability L1tf: Not affected Vulnerability Mds: Not affected Vulnerability Meltdown: Not affected Vulnerability Mmio stale data: Not affected Vulnerability Reg file data sampling: Not affected Vulnerability Retbleed: Mitigation; untrained return thunk; SMT disabled Vulnerability Spec rstack overflow: Mitigation; SMT disabled Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl and seccomp Vulnerability Spectre v1: Mitigation; usercopy/swapgs barriers and __user pointer sanitization Vulnerability Spectre v2: Mitigation; Retpolines; IBPB conditional; STIBP disabled; RSB filling; PBRSB-eIBRS Not affected; BHI Not affected Vulnerability Srbds: Not affected Vulnerability Tsa: Not affected Vulnerability Tsx async abort: Not affected Vulnerability Vmscape: Not affected ---> nproc: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 1.6G 1.1M 1.6G 1% /run /dev/vda1 78G 11G 67G 14% / tmpfs 7.9G 0 7.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 1.6G 4.0K 1.6G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15989 600 10426 4 4961 15046 Swap: 1023 0 1023 ---> ip addr: 1: lo: mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host valid_lft forever preferred_lft forever 2: ens3: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:d8:fe:21 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.235/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84795sec preferred_lft 84795sec inet6 fe80::f816:3eff:fed8:fe21/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 2e:c7:dc:da:1d:bb brd ff:ff:ff:ff:ff:ff inet 10.250.0.254/24 brd 10.250.0.255 scope global docker0 valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-164-generic (prd-ubuntu2204-docker-4c-4g-34439) 01/13/26 _x86_64_ (4 CPU) 00:26:48 LINUX RESTART (4 CPU) 00:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:40:32 8.30 0.57 7.09 0.64 404.37 1217.84 13230.73 00:50:12 14.02 0.55 12.46 1.01 20.18 2097.46 4065.14 Average: 11.04 0.56 9.67 0.82 220.17 1639.58 8836.26 00:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:40:32 8356120 11508532 4453492 27.20 113640 3206912 4626752 26.56 653688 7024816 1168 00:50:12 9967904 13640264 2317948 14.16 132424 3677024 2832436 16.26 830236 5197912 84124 Average: 9162012 12574398 3385720 20.68 123032 3441968 3729594 21.41 741962 6111364 42646 00:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:40:32 lo 0.63 0.63 0.37 0.37 0.00 0.00 0.00 0.00 00:40:32 ens3 26.61 19.13 274.44 3.53 0.00 0.00 0.00 0.00 00:40:32 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:50:12 lo 320.51 320.51 305.08 305.08 0.00 0.00 0.00 0.00 00:50:12 ens3 42.14 29.87 424.62 5.46 0.00 0.00 0.00 0.00 00:50:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 154.00 154.00 146.46 146.46 0.00 0.00 0.00 0.00 Average: ens3 34.05 24.28 346.44 4.45 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-164-generic (prd-ubuntu2204-docker-4c-4g-34439) 01/13/26 _x86_64_ (4 CPU) 00:26:48 LINUX RESTART (4 CPU) 00:30:01 CPU %user %nice %system %iowait %steal %idle 00:40:32 all 48.78 0.00 0.83 0.06 0.08 50.25 00:40:32 0 47.08 0.00 0.90 0.04 0.08 51.90 00:40:32 1 43.38 0.00 0.82 0.10 0.07 55.62 00:40:32 2 42.84 0.00 0.78 0.07 0.08 56.24 00:40:32 3 61.85 0.00 0.81 0.03 0.08 37.23 00:50:12 all 56.40 0.00 1.11 0.05 0.08 42.37 00:50:12 0 45.73 0.00 1.09 0.09 0.08 53.01 00:50:12 1 69.48 0.00 1.12 0.01 0.08 29.30 00:50:12 2 61.93 0.00 1.28 0.06 0.08 36.65 00:50:12 3 48.48 0.00 0.94 0.02 0.08 50.47 Average: all 52.43 0.00 0.96 0.05 0.08 46.47 Average: 0 46.43 0.00 0.99 0.06 0.08 52.43 Average: 1 55.86 0.00 0.97 0.06 0.08 43.03 Average: 2 51.99 0.00 1.02 0.06 0.08 46.85 Average: 3 55.44 0.00 0.87 0.03 0.08 43.58